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-# Copyright 2015 The TensorFlow Authors. All Rights Reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-# ==============================================================================
-# pylint: disable=g-bad-import-order,unused-import
-"""Tests the graph freezing tool."""
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-
-import tensorflow as tf
-import os
-
-from tensorflow.examples.image_retraining import retrain
-from tensorflow.python.framework import test_util
-
-
-class ImageRetrainingTest(test_util.TensorFlowTestCase):
-
- def dummyImageLists(self):
- return {'label_one': {'dir': 'somedir', 'training': ['image_one.jpg',
- 'image_two.jpg'],
- 'testing': ['image_three.jpg', 'image_four.jpg'],
- 'validation': ['image_five.jpg', 'image_six.jpg']},
- 'label_two': {'dir': 'otherdir', 'training': ['image_one.jpg',
- 'image_two.jpg'],
- 'testing': ['image_three.jpg', 'image_four.jpg'],
- 'validation': ['image_five.jpg', 'image_six.jpg']}}
-
- def testGetImagePath(self):
- image_lists = self.dummyImageLists()
- self.assertEqual('image_dir/somedir/image_one.jpg', retrain.get_image_path(
- image_lists, 'label_one', 0, 'image_dir', 'training'))
- self.assertEqual('image_dir/otherdir/image_four.jpg',
- retrain.get_image_path(image_lists, 'label_two', 1,
- 'image_dir', 'testing'))
-
- def testGetBottleneckPath(self):
- image_lists = self.dummyImageLists()
- self.assertEqual('bottleneck_dir/somedir/image_five.jpg_imagenet_v3.txt',
- retrain.get_bottleneck_path(
- image_lists, 'label_one', 0, 'bottleneck_dir',
- 'validation', 'imagenet_v3'))
-
- def testShouldDistortImage(self):
- self.assertEqual(False, retrain.should_distort_images(False, 0, 0, 0))
- self.assertEqual(True, retrain.should_distort_images(True, 0, 0, 0))
- self.assertEqual(True, retrain.should_distort_images(False, 10, 0, 0))
- self.assertEqual(True, retrain.should_distort_images(False, 0, 1, 0))
- self.assertEqual(True, retrain.should_distort_images(False, 0, 0, 50))
-
- def testAddInputDistortions(self):
- with tf.Graph().as_default():
- with tf.Session() as sess:
- retrain.add_input_distortions(True, 10, 10, 10, 299, 299, 3, 128, 128)
- self.assertIsNotNone(sess.graph.get_tensor_by_name('DistortJPGInput:0'))
- self.assertIsNotNone(sess.graph.get_tensor_by_name('DistortResult:0'))
-
- @tf.test.mock.patch.object(retrain, 'FLAGS', learning_rate=0.01)
- def testAddFinalRetrainOps(self, flags_mock):
- with tf.Graph().as_default():
- with tf.Session() as sess:
- bottleneck = tf.placeholder(tf.float32, [1, 1024], name='bottleneck')
- # Test creating final training op with quantization.
- retrain.add_final_retrain_ops(5, 'final', bottleneck, 1024, False,
- False)
- self.assertIsNotNone(sess.graph.get_tensor_by_name('final:0'))
-
- @tf.test.mock.patch.object(retrain, 'FLAGS', learning_rate=0.01)
- def testAddFinalRetrainOpsQuantized(self, flags_mock):
- # Ensure that the training and eval graph for quantized models are correctly
- # created.
- with tf.Graph().as_default() as g:
- with tf.Session() as sess:
- bottleneck = tf.placeholder(tf.float32, [1, 1024], name='bottleneck')
- # Test creating final training op with quantization, set is_training to
- # true.
- retrain.add_final_retrain_ops(5, 'final', bottleneck, 1024, True, True)
- self.assertIsNotNone(sess.graph.get_tensor_by_name('final:0'))
- found_fake_quant = 0
- for op in g.get_operations():
- if op.type == 'FakeQuantWithMinMaxVars':
- found_fake_quant += 1
- # Ensure that the inputs of each FakeQuant operations has 2 Assign
- # operations in the training graph (Assign[Min,Max]Last,
- # Assign[Min,Max]Ema)
- self.assertEqual(2,
- len([i for i in op.inputs if 'Assign' in i.name]))
- self.assertEqual(found_fake_quant, 2)
- with tf.Graph().as_default() as g:
- with tf.Session() as sess:
- bottleneck = tf.placeholder(tf.float32, [1, 1024], name='bottleneck')
- # Test creating final training op with quantization, set is_training to
- # false.
- retrain.add_final_retrain_ops(5, 'final', bottleneck, 1024, True, False)
- self.assertIsNotNone(sess.graph.get_tensor_by_name('final:0'))
- found_fake_quant = 0
- for op in g.get_operations():
- if op.type == 'FakeQuantWithMinMaxVars':
- found_fake_quant += 1
- for i in op.inputs:
- # Ensure that no operations are Assign operation since this is the
- # evaluation graph.
- self.assertTrue('Assign' not in i.name)
- self.assertEqual(found_fake_quant, 2)
-
- def testAddEvaluationStep(self):
- with tf.Graph().as_default():
- final = tf.placeholder(tf.float32, [1], name='final')
- gt = tf.placeholder(tf.int64, [1], name='gt')
- self.assertIsNotNone(retrain.add_evaluation_step(final, gt))
-
- def testAddJpegDecoding(self):
- with tf.Graph().as_default():
- jpeg_data, mul_image = retrain.add_jpeg_decoding(10, 10, 3, 0, 255)
- self.assertIsNotNone(jpeg_data)
- self.assertIsNotNone(mul_image)
-
- def testCreateModelInfo(self):
- did_raise_value_error = False
- try:
- retrain.create_model_info('no_such_model_name')
- except ValueError:
- did_raise_value_error = True
- self.assertTrue(did_raise_value_error)
- model_info = retrain.create_model_info('inception_v3')
- self.assertIsNotNone(model_info)
- self.assertEqual(299, model_info['input_width'])
-
- def testCreateModelInfoQuantized(self):
- # Test for mobilenet_quantized
- model_info = retrain.create_model_info('mobilenet_1.0_224')
- self.assertIsNotNone(model_info)
- self.assertEqual(224, model_info['input_width'])
-
-
-if __name__ == '__main__':
- tf.test.main()